[INFO] fetching crate qip-iterators 1.4.0...
[INFO] checking qip-iterators-1.4.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate qip-iterators 1.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate qip-iterators 1.4.0
[INFO] finished tweaking crates.io crate qip-iterators 1.4.0
[INFO] tweaked toml for crates.io crate qip-iterators 1.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate qip-iterators 1.4.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 144 packages to latest compatible versions
[INFO] [stderr]       Adding blas v0.22.0 (available: v0.23.0)
[INFO] [stderr]       Adding faer-core v0.8.0 (available: v0.17.1)
[INFO] [stderr]       Adding ndarray v0.15.6 (available: v0.16.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gemm-f64 v0.14.8
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c63adc0a2d8daacf3b6b48ab257b6409037f59f807b064c60d2ed28c936fece7
[INFO] running `Command { std: "docker" "start" "-a" "c63adc0a2d8daacf3b6b48ab257b6409037f59f807b064c60d2ed28c936fece7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c63adc0a2d8daacf3b6b48ab257b6409037f59f807b064c60d2ed28c936fece7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c63adc0a2d8daacf3b6b48ab257b6409037f59f807b064c60d2ed28c936fece7", kill_on_drop: false }`
[INFO] [stdout] c63adc0a2d8daacf3b6b48ab257b6409037f59f807b064c60d2ed28c936fece7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af84f125d934c12f8be54d3518a2ed02842c2b15d2b25d7625049c53d8e19727
[INFO] running `Command { std: "docker" "start" "-a" "af84f125d934c12f8be54d3518a2ed02842c2b15d2b25d7625049c53d8e19727", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.15
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[INFO] [stderr]     Checking bytemuck v1.23.1
[INFO] [stderr]    Compiling libc v0.2.174
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[INFO] [stderr]    Compiling once_cell v1.21.3
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[INFO] [stderr]     Checking qip-iterators v1.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]   --> src/utils.rs:21:29
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let leading_zeros = 8 * std::mem::size_of::<usize>() - n;
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     unused_qualifications,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 21 -     let leading_zeros = 8 * std::mem::size_of::<usize>() - n;
[INFO] [stdout] 21 +     let leading_zeros = 8 * size_of::<usize>() - n;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking gemm v0.14.8
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/iterators/qubit_iterators.rs:23:45
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(row: usize, n: usize, data: &'a [P]) -> MatrixOpIterator<P> {
[INFO] [stdout]    |                                             ^^         ------------------- the lifetime gets resolved as `'a`
[INFO] [stdout]    |                                             |
[INFO] [stdout]    |                                             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(row: usize, n: usize, data: &'a [P]) -> MatrixOpIterator<'a, P> {
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/iterators/qubit_iterators.rs:73:35
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn new(row: usize, data: &'a [Vec<(usize, P)>]) -> SparseMatrixOpIterator<P> {
[INFO] [stdout]    |                                   ^^                       ------------------------- the lifetime gets resolved as `'a`
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn new(row: usize, data: &'a [Vec<(usize, P)>]) -> SparseMatrixOpIterator<'a, P> {
[INFO] [stdout]    |                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qip-iterators` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "af84f125d934c12f8be54d3518a2ed02842c2b15d2b25d7625049c53d8e19727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af84f125d934c12f8be54d3518a2ed02842c2b15d2b25d7625049c53d8e19727", kill_on_drop: false }`
[INFO] [stdout] af84f125d934c12f8be54d3518a2ed02842c2b15d2b25d7625049c53d8e19727